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GRF to MMJ: distance & flight time
Fort Lewis (Gray Army Air Field) → Matsumoto (Matsumoto Airport)
4,839 mi
7,787 km · 4,205 nm
9h 57m
estimated nonstop flight time
+16h
time difference · heading northwest
See live GRF→MMJ fares Phone-only fares on this route — call free
Flight time details
4,839 miles nonstop takes roughly 9h 57m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 16-hour time gain when reading arrival times on your ticket.
The two airports
- GRF — Gray Army Air Field · Fort Lewis, United States
- MMJ — Matsumoto Airport · Matsumoto, Japan
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near GRF
- SEA · Seattle Tacoma International Airport29 mi away
- TCM · McChord Air Force Base6 mi away
- TIW · Tacoma Narrows Airport13 mi away
- OLM · Olympia Regional Airport17 mi away
Near MMJ
- TOY · Toyama Airport53 mi away
- HND · Tokyo Haneda International Airport112 mi away
- QGU · Gifu Airport80 mi away
- NKM · Nagoya Airport84 mi away
Frequently asked questions
How far is GRF from MMJ?
The flight distance from Fort Lewis (GRF) to Matsumoto (MMJ) is 4,839 miles (7,787 km, 4,205 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRF to MMJ?
A nonstop flight takes about 9h 57m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Fort Lewis and Matsumoto?
Matsumoto is 16 hours ahead of Fort Lewis.
What is the cheapest way to fly from GRF to MMJ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRF–MMJ that never appear on search engines, with no booking fees.